//------------------------------------------------------------------------------
//  <copyright file="GamePadEmulatorView.xaml.cs" company="Microsoft Corporation">
// The MIT License (MIT)
// 
// Copyright (c) 2014, Microsoft Corporation
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//  </copyright>
//------------------------------------------------------------------------------

namespace Microsoft.Robotics.Interaction.Visualization
{
    using System;
    using System.Globalization;
    using System.Runtime.Serialization;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Input;
    using System.Windows.Media;
    using System.Windows.Media.Imaging;
    using Microsoft.Robotics.Interaction.Runtime.Input;

    /// <summary>
    /// Interaction logic for GamePadEmulatorView.xaml
    /// </summary>
    public partial class GamePadEmulatorView : UserControl
    {
        /// <summary>
        /// Initializes a new instance of the GamePadEmulatorView class
        /// </summary>
        public GamePadEmulatorView()
        {
            this.InitializeComponent();
        }

        /// <summary>
        /// Handles mouse move messages
        /// </summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">The mouse event args</param>
        private void JoystickEllipseMouseMove(object sender, MouseEventArgs e)
        {
            if (Mouse.LeftButton == MouseButtonState.Pressed)
            {
                Point mouse = Mouse.GetPosition(this.JoystickEllipse);
                ((GamePadEmulatorModel)this.DataContext).JoystickPositionX = mouse.X;
                ((GamePadEmulatorModel)this.DataContext).JoystickPositionY = mouse.Y;                
            }
        }

        /// <summary>
        /// Handler for Mouse Up events
        /// </summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">the event args</param>
        private void JoystickEllipseMouseUp(object sender, MouseButtonEventArgs e)
        {
            // set the position to the "zero" point (middle of the joystick)
            ((GamePadEmulatorModel)this.DataContext).JoystickPositionX = ((GamePadEmulatorModel)this.DataContext).JoystickVisualDiameter / 2;
            ((GamePadEmulatorModel)this.DataContext).JoystickPositionY = ((GamePadEmulatorModel)this.DataContext).JoystickVisualDiameter / 2;
        }

        /// <summary>
        /// Handler for Mouse Up events
        /// </summary>
        /// <param name="sender">The sender</param>
        /// <param name="e">the event args</param>
        private void JoystickEllipseMouseLeave(object sender, MouseEventArgs e)
        {
            // set the position to the "zero" point (middle of the joystick)
            ((GamePadEmulatorModel)this.DataContext).JoystickPositionX = ((GamePadEmulatorModel)this.DataContext).JoystickVisualDiameter / 2;
            ((GamePadEmulatorModel)this.DataContext).JoystickPositionY = ((GamePadEmulatorModel)this.DataContext).JoystickVisualDiameter / 2;
        }
    }
}
